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  <div id="layout-content"><div id="imagickpixel.getcolor" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ImagickPixel::getColor</h1>
  <p class="verinfo">(PECL imagick 2, PECL imagick 3)</p><p class="refpurpose"><span class="refname">ImagickPixel::getColor</span> &mdash; <span class="dc-title">Returns the color</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagickpixel.getcolor-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ImagickPixel::getColor</strong></span>(<span class="methodparam"><span class="type">int</span> <code class="parameter">$normalized</code><span class="initializer"> = 0</span></span>): <span class="type">array</span></div>

  <p class="para rdfs-comment">
   Returns the color described by the ImagickPixel object, as an array. If the color has an
   opacity channel set, this is provided as a fourth value in the list.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-imagickpixel.getcolor-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">normalized</code></dt>

     <dd>

      <p class="para">
       Normalize the color values. Possible values are <code class="literal">0</code>,
       <code class="literal">1</code> or <code class="literal">2</code>.
      </p>

      <table class="doctable table">
       <caption><strong>
        List of possible values for <code class="parameter">normalized</code>
       </strong></caption>
       
        <thead>
         <tr>
          <th><code class="parameter">normalized</code></th>
          <th>Description</th>
         </tr>

        </thead>

        <tbody class="tbody">
         <tr>
          <td>
           <strong><code>0</code></strong>
          </td>
          <td>
           The RGB values are returned as <span class="type">int</span>s in the range <code class="literal">0</code>
           to <code class="literal">255</code> (inclusive.)
           The alpha value is returned as <span class="type">int</span> and is either <code class="literal">0</code>
           or <code class="literal">1</code>.
          </td>
         </tr>

         <tr>
          <td>
           <strong><code>1</code></strong>
          </td>
          <td>
           The RGBA values are returned as <span class="type">float</span>s in the range <code class="literal">0</code>
           to <code class="literal">1</code> (inclusive.)
          </td>
         </tr>

         <tr>
          <td>
           <strong><code>2</code></strong>
          </td>
          <td>
           The RGBA values are returned as <span class="type">int</span>s in the range <code class="literal">0</code>
           to <code class="literal">255</code> (inclusive.)
          </td>
         </tr>

        </tbody>
       
      </table>

     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-imagickpixel.getcolor-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   An array of channel values. Throws ImagickPixelException on error.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-imagickpixel.getcolor-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2967">
    <p><strong>示例 #1 Basic <span class="function"><strong>Imagick::getColor()</strong></span> usage</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//Create&nbsp;an&nbsp;ImagickPixel&nbsp;with&nbsp;the&nbsp;predefined&nbsp;color&nbsp;'brown'<br /></span><span style="color: #0000BB">$color&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">ImagickPixel</span><span style="color: #007700">(</span><span style="color: #DD0000">'brown'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//Set&nbsp;the&nbsp;color&nbsp;to&nbsp;have&nbsp;an&nbsp;alpha&nbsp;of&nbsp;25%<br /></span><span style="color: #0000BB">$color</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setColorValue</span><span style="color: #007700">(</span><span style="color: #0000BB">Imagick</span><span style="color: #007700">::</span><span style="color: #0000BB">COLOR_ALPHA</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">64&nbsp;</span><span style="color: #007700">/&nbsp;</span><span style="color: #0000BB">256.0</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$colorInfo&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$color</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getColor</span><span style="color: #007700">();<br /><br />echo&nbsp;</span><span style="color: #DD0000">"Standard&nbsp;values"</span><span style="color: #007700">.</span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$colorInfo</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$colorInfo&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$color</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getColor</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /><br />echo&nbsp;</span><span style="color: #DD0000">"Normalized&nbsp;values:"</span><span style="color: #007700">.</span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$colorInfo</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
    <div class="cdata"><pre>
Standard values
Array
(
    [r] =&gt; 165
    [g] =&gt; 42
    [b] =&gt; 42
    [a] =&gt; 0
)
Normalized values:
Array
(
    [r] =&gt; 0.64705882352941
    [g] =&gt; 0.16470588235294
    [b] =&gt; 0.16470588235294
    [a] =&gt; 0.25000381475547
)
    </pre></div>
    </div>
   </div>
  </p>
 </div>


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